Mechanism for opening or closing gates of elevator-wells.



No. 745,384. PATENTED DEC. 1, 1903.

J. RASHKIN. MECHANISM FOR OPENING 0R CLOSING GATESOP ELEVATOR WELLS.

APPLICATION FILED JUNE 1, 1903.

H0 MODEL.

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PATENTED DEG. 1,1903.

J. RASHKINJ MECHANISM FOR OPENING 0R CLOSING GATES 0F ELEVATOR WELLS.

APPLIOATION PILED JUNE 1, 1903.

NO MODEL.

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UNIT D STATES Fatented becember 1, 190 PATENT OFFICE;

JOSEPH RASHKIN,OF NEW YORK, N. Y.

MECHANISM FOR OPENING 0R CLOSING GATES OF ELEVATOR-WELLS.

SPECI ICATION forming part of Letters Patent N 0. 745,384, datedDecember 1, 1903.

, Application filed June 1,1903. Serial No. 159.506. (No model.)

To all whom it may concern:

Be it known that I, JOsEPH RASHKIN, a subject of the Czar of Russia, anda resident of the city of New York, in the county of New York and Stateof New York, have invented certain new and useful Improvements inMechanism for Opening or Closing Gates of Elevator -Wells in Buildings,of which the following is a specification.

My invention relates to improvements in mechanism for opening andclosing gates of elevator-wells in buildings; and the objects of myinvention are to provide safe means upon an elevator-car for quicklyopening the entrance to the elevator-well by the operator when desiredand for automatically closing the entrance when the elevator-car leavesthe floor. I attain these objects by the device illustrated in theaccompanying drawings, in which- Figure 1 is a sectional view of thedevice, showing the elevator-car at the floor of a building. Fig 2 is asectional view of the device, showing the elevator-car below the floorof the building in ascending. Fig. 3 is a view of the weight andspring-catch. Fig. 4 is a sectional view of the device, showing theelevator-car after it has left the floor of the building in ascending.Fig. 5 is a view of the device, partly in section, showing the car atthe floor of the building, as in Fig. 1.

Similar letters refer to similar parts through out the several views.

Upon the side of an elevator-well at each floor I affix a perpendicularrun or slide a, provided in the face adjoining the elevatorwell with avertical slot at. Within the perpendicular run a I provide acounterbalanceweight I), provided with a lug b, projecting through thevertical slot ct in the perpendicular run a. A cable e is attached tothe upper end of the weight b in any well-known manner and is passedover pulleys c c at the top of the perpendicular. run a near the ceilingand down to the gate cl, which closes the entrance to the elevator-well.I find it preferable to place the perpendicular run at the side of thegate. It may, however, be placed at any part of the well,direction-pulleys being provided in such case for the cable. Upon theside of the perpendicular run a I attach a hanger f by means of bolts ff, passed through the hanger near its upper end or in any otherwell-known manner. This hanger fis provided at its lower end with a lug9. An opening a is provided in the side of the run a, through which thelug g projects into the vertical weight-run Ct. Upon the end of this lugg I attach a roller 9 to minimize the friction. This lug g projects intothe vertical run a at thepoint where,when the weight b rests upon it,the lower edge of the gate (1 will be at or near the'floor h of thebuilding and where the weight b when resting upon the lug g will be asufficient height from the floor h to permit the fall of the weight b toraise the gate d to a height sufficient to permit an unobstructedentrance and exit to the elevator-car when at the floor. At or near thelower end of the hanger f I provide a short arm 1, projecting from ittoward the car and at an angle to the lug g. At a point on the side ofthe vertical run a where the projecting lug b of the weight will liewhen the weight b is resting upon the lug g, I provide at one side ofthe slot a a shoe is, projecting out into the well a distance slightlygreater than that of the projecting lug b on the weight b.

On the outer side and near the top of the elevator-car Z I attach a dogat, having its upper end it pivoted or hinged to the side of the car andhavingits free lower end n normally lying in the-vertical plane of theprojecting lug d on the gate 03. A spring 12. is provided behind the dogat to hold the free lower end a normally out into the elevatorwell. Thedog n is sufficiently wide to engage the lug d, projecting from-the gated, and also the shoe k placed at the side-of the lug d on the gate clnear the floor ofthe building. I also provide a similar dog'm near thelower edge of the elevator-car, having its lower end m hinged to the carand having its upper end m normally projecting out into the elevatorwelland lying in the vertical plane of a proj ecting lug b, attached to theweight and projecting through the slot at in the side of the verticalrun a and sufficiently wide to engage both the lug b and the shoe 7t.

Upon the elevator-earl I provide a castingoff device, consisting of theprojecting arm 0, lever o", press-button 0 and connecting-bar 0 in suchmanner that apressure upon the button 0 will cause the end of theprojecting arm 0 to move horizontally. This projecting arm 0 is placedat such height in the car that when the floor Z of the earl is even withthe floor h of the building the projecting arm 0 is at and lying in thehorizontal plane of the projecting arm '5 of the hangerf.

The gate d slides vertically on tracks provided for the purpose at theentrance to the elevator-well from the floor to a point above the floorsufficiently high to permit the free passage of persons using the car toand from the car when it is at the floor.

WVhen the gate is at the floor, the counterbalance-weight b will restupon the projection g on the hangerf. The shoe 7.; on the side of thevertical run or projects into the well a distance slightly greater thanthat of the projecting lug b on the weight b, and the car may thus passup or down the well without engaging the projection Z) on the weight b,and as the shoe 7.5 projects out into the well a distance slightlybeyond that of the projection 01 on the gate d the car may pass up ordown the well without engaging the projecting lug cl on the gate d.

When it is desired to open the gate at a floor, the elevator-car israised or lowered by the usual means, so that the floor of the car islevel with the floor of the building. The projecting arm 0 carried bythe car will then be in the horizontal plane of the projecting arm 71 onthe hanger f and adjacent thereto. The operator applies pressure bymeans of his foot or in any other manner to the button 0 and by means ofthe connecting-bar 0 and lever 0 the projecting arm 0 is forced againstthe projecting armiofthehangerf. The hangerf being forced out by thismeans, the support-- ing-lug g upon which the weight b is resting iswithdrawn and the Weight falls. The weight I) being slightly heavierthan the gate d, the gate d is thus drawn upward by the connecting-cablee and remains open while the car is at the floor. WVhen the car Z leavesthe floor h, moving upwardly, the dog m carried by the car engages theprojecting lug b on the weight Z) and lifts the weight above thesupporting-lug g, attached to the lower end of the hanger f, which willslip under the weight Z) and prevent its fall when the dog at isdisengaged from the projecting lug b by the shoe 7:, which engages thedog m at this point. As the weight b is thus raised, the gate attachedto the other end of the connecting-cable a will descend, and thus closethe entrance to the elevator-well, and, as above described, the car maypass up or down the well without disturbing the gate.

When it is desired to move the car down the well after the gate has beenopened without first raising the car, the dog 11 engages the projectiond on the gate 01 and draws the gate downward with it until the weighthas been raised above the supporting-lug g on the hanger f,when the shoe7.: will engage the dog 72 and force it back out of engagement with whendesired, and the lug g on the hanger-f may be moved by the operator byhand without any intervening means whatever or by any other desiredmeans, and other forms of dogs may be substituted for the dogs m and 71shown in the accompanying drawings when desired Without departingfrom-my invention.

Having thus described my invention, what I claim is- 1. In a mechanismof the character described the combination of a gate having a weightconnected thereto, a projecting lug upon the weight, an elevator-car, adog carried by the car and normally lyingin the Vertical plane of theprojecting lug upon the weight and means for moving the dog out of thevertical plane of the projecting lug upon the weight substantially asshown and described.

2. In a mechanism of the character described the combination of a gatehaving a weight connected thereto, an elevator-car, a dog carried by thecar and normally lying in the vertical plane of the weight and means formoving the dog out of the vertical plane of the Weight substantially asshown and described.

3. In a mechanism of the character described the combination of a gatehaving a Weight connected thereto, a projecting lug upon the gate, a dogcarried by the car and normally lying in the vertical plane of theprojecting lug upon the gate, and means for moving the dog out of thevertical plane of the projecting lug upon the gate, substantially asshown and described.

4. In a mechanism of the character described the combination of a gatehaving a weight connected thereto, a dog carried by the car and normallylying in the vertical plane of the gate and means for moving the dog outof the vertical plane of the gate substantially as shown and described.

5. In a mechanism of the character described the combination of aweight-run, a vertically-movable weight therein, a hanger mounted on theWeight-run and provided with a weight-support normally projecting intothe weight-run an elevator-car and means carried by the elevator-car formoving the weightsupport out of the weight-run substantially as shownand described.

6. In a mechanism of the character described the combination of aweight-run a vertically-movable weight therein, a movable Weight-supportnormally projecting into the weight-run, an elevator-car, a projectingarm carried by the car and means for bringing said projecting arm intoengagement with the weight-support substantially as shown and described.

7. In a mechanism of the character described the combination of avertically-movable Weight, a gate connected thereto, an elevator-car, amovable dog carried by the car and normally lying in the vertical planeof the Weight and a shoe also lying in the vertical plane of the movabledog carried by thev car substantially as shown and described.

8. In a mechanism of the character described the combination of avertically-movable weight, a gate connected thereto, an elevator-car, amovable dog carried by the car and normally lying in the vertical planeof the gate and a shoe also lying in the vertical plane of the movabledog carried hr the car I substantially as shown and described.

9. In a mechanism of the character described the combination of avertically-movable Weight, a gate connected thereto, an elevator-car, amovable dog m carried by the car and normally lying in the verticalplane of the weight and a shoe also lying in the vertical plane of themovable dog m carried by the car, a second movable dog at carriedby thecar and lying in the vertical plane of the gate and a shoe also lying inthe vertical plane of the dog 'n substantially as shown and described.

10. In a mechanism of the character described the combination of avertically-movable weight, a gate connected thereto, an elevator-car, amovable dog m carried by the car and normally lying in the verticalplane of the weight and a shoe also lying in the vertical plane of themovable dog m carried by the car, a second movable dog n carried by thecar and lying in the vertical plane of the gate and a shoe also lying inthe vertical plane of the dog n, a movable weight-supporting lug andmeans for moving the said weightsupporting lug substantially as shownand described.

Signed at New York city, in the county of New York and State of NewYork, this 27th day of May, A. D. 1903.

. JOSEPH RASHKIN.

Witnesses:

SAMPSON H. SCHWARZ, EVERETT F. WRIGHT.

